Wikipedia:Vital articles

This is a list of basic subjects for which Wikipedia should have a corresponding high-quality article, and ideally a featured article. It also serves as a centralized watchlist and tracks the status of some of Wikipedia's most essential articles. Articles that are Featured articles are marked with a star (Template:FA); articles that are considered Good articles are marked with a green circle (Template:GAicon); articles that have cleanup tags on them or are start class or lower, and thus need to be improved as soon as possible, are marked in bold.

Ideally this page should list approximately 1,000 of the most vital Wikipedia articles. An expanded version is available at Wikipedia:Vital articles/Expanded.

See also m:List of articles every Wikipedia should have and Wikipedia:Version 1.0 Editorial Team/Core topics

People

Artists

1. Template:NoFATemplate:GAicon Leonardo da Vinci
2. Michelangelo
3. Template:NoFATemplate:GAicon Rembrandt
4. Template:NoFA Diego Velázquez
5. Hokusai
6. Template:NoGA-icon Claude Monet
7. Template:GAicon Vincent van Gogh
8. Pablo Picasso
9. Template:FA Salvador Dalí

Authors

1. Homer
2. Template:GAicon Sophocles
3. Virgil
4. Li Bai
5. Template:NoGA-icon Jalal ad-Din Muhammad Rumi
6. Dante Alighieri
7. Template:FA William Shakespeare
8. Miguel de Cervantes
9. Jean Racine
10. Johann Wolfgang von Goethe
11. Template:FA Edgar Allan Poe
12. Fyodor Dostoevsky
13. Leo Tolstoy
14. Template:FA James Joyce
15. Template:NoGA-icon Franz Kafka
16. Pablo Neruda

Composers and musicians

1. Template:NoGA-icon Johann Sebastian Bach
2. Template:NoFA Wolfgang Amadeus Mozart
3. Ludwig van Beethoven
4. Frédéric Chopin
5. Richard Wagner
6. Igor Stravinsky
7. Template:NoGA-icon Elvis Presley
8. Template:NoFATemplate:GAicon The Beatles
9. Template:NoFATemplate:GAicon Madonna (entertainer)

Explorers

1. Roald Amundsen
2. Jacques Cartier
3. Christopher Columbus
4. James Cook
5. Template:NoFA Ferdinand Magellan
6. Marco Polo
7. Template:NoGA-icon Ibn Battuta
8. Zheng He

Inventors and scientists

1. Template:NoGA-icon Nicolaus Copernicus
2. Template:FA Charles Darwin
3. Template:GAicon Thomas Edison
4. Template:NoFATemplate:GAicon Albert Einstein
5. Template:NoFA Galileo Galilei
6. Geber
7. Template:NoGA-icon Carolus Linnaeus
8. Template:FA Isaac Newton
9. Template:GAicon Nikola Tesla
10. Niehls Bohr
11. Marie Curie
12. Mendelev

Mathematicians

1. Template:FA Archimedes
2. Euclid
3. Template:FA Leonhard Euler
4. Template:FA Carl Friedrich Gauss
5. Kurt Gödel
6. Template:NoGA-icon David Hilbert
7. Gottfried Leibniz
8. Template:FA Blaise Pascal
9. Henri Poincaré
10. Pythagoras
11. Template:GAicon Alan Turing
12. Nasīr al-Dīn al-Tūsī

Philosophers and social scientists

1. Template:NoGA-icon Confucius
2. Socrates
3. Plato
4. Template:NoGA-icon Aristotle
5. Ibn Sina (Avicenna)
6. Nagarjuna
7. Template:GAicon Thomas Aquinas
8. Ibn Khaldun
9. René Descartes
10. Template:NoGA-icon John Locke
11. David Hume
12. Immanuel Kant
13. Karl Marx
14. Friedrich Nietzsche
15. Template:NoGA-icon Sigmund Freud
16. Emile Durkheim
17. Max Weber
18. Ludwig Wittgenstein
19. B. F. Skinner
20. Template:NoFA Noam Chomsky

Religious figures

1. Abraham
2. Bahá'u'lláh
3. Gautama Buddha
4. Guru Nanak Dev
5. Template:GAicon Jesus
6. Template:GAicon Laozi
7. Template:A-Class-iconTemplate:NoGA-icon Moses
8. Template:NoGA-icon Muhammad
9. Zoroaster

Politicians and leaders

1. Template:GAicon Hammurabi
2. Template:GAicon Cyrus the Great
3. Template:NoGA-icon Alexander the Great
4. Qin Shi Huang
5. Template:NoFATemplate:NoGA-icon Julius Caesar
6. Cleopatra VII
7. Template:FA Augustus
8. Template:NoFA Attila the Hun
9. Template:GAicon Charlemagne
10. Genghis Khan
11. Template:FA Joan of Arc
12. Template:FA Suleiman the Magnificent
13. Elizabeth I
14. Template:GAicon George Washington
15. Template:NoGA-icon Napoleon I of France
16. Simón Bolívar
17. Template:NoFATemplate:NoGA-icon Abraham Lincoln
18. Template:NoGA-icon Mustafa Kemal Atatürk
19. Template:FA Mahatma Gandhi
20. Vladimir Lenin
21. Joseph Stalin
22. Template:NoGA-icon Adolf Hitler
23. Mao Zedong
24. Template:NoGA-icon Nelson Mandela
25. Churchill

History

1. History
2. Template:A-Class-iconTemplate:NoGA-icon Civilization
3. Template:NoGA-icon History of the world
4. History of Africa
5. History of the Americas
6. Template:NoGA-icon History of China
7. History of Europe
8. History of India
9. History of Japan
10. History of the Middle East

Prehistory to Middle Ages

1. Template:NoGA-icon Stone Age
   1. Mesopotamia
   2. Neolithic Revolution
   3. Sumer
2. Bronze Age
   1. Template:NoGA-icon Ancient Egypt
   2. Assyria
   3. Template:NoFATemplate:GAicon Indus Valley Civilization
3. Iron Age
   1. Ancient Greece
   2. Template:NoGA-icon Ancient Rome
   3. Macedon
   4. Persian Empire
4. Middle Ages
   1. Template:GAicon Black Death
   2. Template:FA Byzantine Empire
   3. Template:NoGA-icon Crusades
   4. East-West Schism
   5. Holy Roman Empire
   6. Islamic Golden Age
   7. Mongol Empire
   8. Template:NoGA-icon Ottoman Empire
   9. Pre-Columbian
   10. Spanish Inquisition
   11. Viking Age

Renaissance to present

1. Abolitionism
2. Age of Enlightenment
3. Template:NoGA-icon British Empire
4. History of the People's Republic of China
5. Civil rights movement
6. Cold War
7. European colonization of the Americas
8. History of the European Union
9. French Revolution
10. Great Depression
11. The Holocaust
12. History of the Republic of India
13. Template:NoGA-icon Industrial Revolution
14. Information Age
15. Template:NoGA-icon Iranian Revolution
16. Template:NoGA-icon Korean War
17. Template:NoGA-icon Napoleonic Wars
18. Protestant Reformation
19. Template:GAicon Renaissance
20. Russian Empire
21. Scientific Revolution
22. Scramble for Africa
23. Template:NoGA-icon Soviet Union
24. Space exploration
25. Template:NoGA-icon Spanish Civil War
26. Template:GAicon Spanish flu
27. Taiping Rebellion
28. History of the United States
29. Women's suffrage
30. Template:NoFATemplate:NoGA-icon World War I
31. Template:NoGA-icon World War II

Geography

1. Geography
2. Template:NoGA-icon City
3. Continent
4. Country
5. Desert
6. Template:GAicon Glacier
7. Mountain
8. Ocean
9. River

Bodies of water

1. Amazon River
2. Template:NoGA-icon Atlantic Ocean
3. Caspian Sea
4. Template:GAicon Great Barrier Reef
5. Indian Ocean
6. Mediterranean Sea
7. Template:NoFA Niagara Falls
8. Nile
9. Pacific Ocean
10. Template:FA Panama Canal
11. Suez Canal

Cities

1. Athens
2. Beijing
3. Template:A-Class-iconTemplate:NoGA-icon Berlin
4. Template:FA Hong Kong
5. Template:NoGA-icon Istanbul
6. Template:FA Jerusalem
7. Template:GAicon London
8. Template:GAicon Los Angeles
9. Mecca
10. Mexico City
11. Moscow
12. Template:FA New York City
13. Template:NoGA-icon Paris
14. Rio de Janeiro
15. Rome
16. São Paulo
17. Seoul
18. Template:NoGA-icon Tokyo

Continents and regions

1. Africa
2. Template:FA Antarctica
3. Arctic
4. Asia
5. Europe
6. Latin America
7. Middle East
8. North America
9. Oceania
10. Template:NoGA-icon South America

Countries

See also: List of countries and List of countries by population

.

1. Template:FA Australia
2. Austria
3. Template:FA Bangladesh
4. Template:FA Belgium
5. Template:GAicon Brazil
6. Template:FA Canada
7. Template:NoFATemplate:GAicon People's Republic of China
8. Democratic Republic of the Congo
9. Template:NoGA-icon Denmark
10. Template:A-Class-iconTemplate:GAicon Egypt
11. Ethiopia
12. Template:NoGA-icon France
13. Template:FA Germany
14. Greece
15. Template:FA India
16. Template:FA Indonesia
17. Template:GAicon Iran
18. Template:A-Class-iconTemplate:NoGA-icon Republic of Ireland
19. Template:FA Israel
20. Italy
21. Template:FA Japan
22. Template:NoGA-icon Mexico
23. Netherlands
24. Nigeria
25. Norway
26. Template:FA Pakistan
27. Philippines
28. Poland
29. Template:GAicon Russia
30. Template:A-Class-iconTemplate:NoGA-icon Saudi Arabia
31. Template:FA South Africa
32. Template:NoGA-icon South Korea
33. Spain
34. Template:NoGA-icon Sweden
35. Switzerland
36. Template:GAicon Republic of China (Taiwan)
37. Thailand
38. Template:FA Turkey
39. Template:GAicon United Kingdom
40. Template:GAicon United States
41. Vietnam

Mountains, valleys and deserts

1. Alps
2. Andes
3. Gobi Desert
4. Template:NoGA-icon Grand Canyon
5. Himalayas
   1. Mount Everest
6. Rocky Mountains
7. Template:NoGA-icon Sahara

Arts

1. Template:NoGA-icon Art
2. Template:A-Class-iconTemplate:NoGA-icon Aesthetics

Literature

1. Literature
2. History of literature
3. Book
4. Fiction
   1. Novel
   2. Short story
5. Template:FA Poetry

Music

1. Music
2. History of music
3. Musical instrument
4. Singing
5. Template:NoFATemplate:NoGA-icon Hip hop music
6. Classical music
7. Template:NoGA-icon Folk music
8. Template:NoFATemplate:A-Class-iconTemplate:NoGA-icon Jazz
9. Pop music
10. Rock music

Performing arts

1. Performing arts
2. Acrobatics
3. Comedy
4. Dance
5. Template:NoGA-icon Film
6. Magic
7. Opera
8. Oratory
9. Theatre

Visual arts

1. Visual arts
2. History of art
3. Architecture
   1. Template:GAicon Great Pyramid of Giza
   2. Great Wall of China
4. Template:NoGA-icon Comics
5. Template:NoGA-icon Drawing
6. Painting
7. Template:NoGA-icon Sculpture

Philosophy and religion

Philosophy

1. Philosophy
2. Beauty
3. Ethics
4. Epistemology
   1. Belief
   2. Knowledge
   3. Truth
5. Dialectic
6. Logic
7. Metaphysics
   1. Existence
   2. Ontology
   3. Reality

Philosophical schools and traditions

1. Epistemological philosophies
   1. Template:GAicon Empiricism
   2. Naturalism
   3. Pragmatism
   4. Rationalism
   5. Reductionism
2. Metaphysical philosophies
   1. Determinism
   2. Dualism
   3. Idealism
   4. Materialism
   5. Monism
3. Moral philosophies
   1. Nihilism
   2. Relativism
   3. Utilitarianism
4. Philosophical movements
   1. Confucianism
   2. Existentialism
   3. Humanism
   4. Logical positivism
   5. Modernism
   6. Postmodernism
   7. Platonic realism
   8. Romanticism
   9. Skepticism
5. Theistic philosophies
   1. Theism
   2. Agnosticism
   3. Template:FA Atheism
   4. Deism
   5. Gnosticism
   6. Pantheism

Religion

1. Religion
2. Deity
   1. Template:GAicon God
   2. Goddess
3. Mythology
4. Mysticism
5. Soul
6. Spirituality
   1. Meditation
   2. Template:NoGA-icon Prayer
   3. Worship
   4. Template:GAicon Yoga

Specific religions

1. Template:FA Bahá'í Faith
2. Template:NoFATemplate:NoGA-icon Buddhism
   1. Mahayana
   2. Theravada
   3. Vajrayana
3. Template:NoFATemplate:NoGA-icon Christianity
   1. Template:NoGA-icon Bible
   2. Template:GAicon Roman Catholic Church
   3. Church
   4. Eastern Orthodox Church
   5. Protestantism
   6. Template:A-Class-iconTemplate:NoGA-icon Pope
4. Template:NoFATemplate:GAicon Hinduism
   1. Bhagavad Gita
   2. Krishna
   3. Upanishad
   4. Vedas
5. Template:FA Islam
   1. Template:FA Mosque
   2. Shia Islam
   3. Sunni Islam
   4. Qur'an
6. Jainism
7. Template:GAicon Judaism
   1. Tanakh
8. Shinto
9. Template:FA Sikhism
   1. Guru Granth Sahib
10. Template:GAicon Taoism
11. Voodoo
12. Template:GAicon Zoroastrianism

Everyday life

1. Clothing
2. Cooking
3. Color
   1. Black
   2. Blue
   3. Template:GAicon Green
   4. Red
   5. Yellow
   6. White
4. Emotion
   1. Template:GAicon Anger
   2. Fear
   3. Love
   4. Happiness
5. Family
   1. Adult
   2. Child
   3. Infant
   4. Marriage
6. Template:GAicon Gender
   1. Man
   2. Woman
7. Mind
   1. Consciousness
   2. Thought
8. Sleep
   1. Dream

Food and drink

1. Template:NoGA-icon Food
2. Barley
3. Bread
4. Template:FA Cheese
5. Template:NoGA-icon Fruit
6. Grain
7. Template:A-Class-iconTemplate:NoGA-icon Maize
8. Meat
9. Oat
10. Template:NoGA-icon Potato
11. Template:NoGA-icon Rice
12. Soybean
13. Vegetable
14. Template:NoGA-icon Wheat
15. Template:NoFATemplate:NoGA-icon Beer
16. Template:GAicon Coffee
17. Drinking water
18. Template:GAicon Milk
19. Template:NoFA Tea
20. Wine

Language

1. Language
2. Template:NoGA-icon Alphabet
   1. Letter
3. Grammar
4. Word
5. Writing
6. Specific languages
   1. Arabic language
   2. Template:FA Bengali language
   3. Chinese language
   4. Template:NoGA-icon English language
   5. French language
   6. Template:NoGA-icon German language
   7. Template:NoGA-icon Hindi
   8. Japanese language
   9. Template:NoGA-icon Latin
   10. Template:NoFA Portuguese language
   11. Punjabi language
   12. Template:NoFA Russian language
   13. Template:NoGA-icon Sanskrit
   14. Spanish language
   15. Swahili language
   16. Template:FA Turkish language

Recreation and entertainment

1. Recreation
2. Game
   1. Board game
   2. Template:FA Chess
   3. Draughts
   4. Template:NoFATemplate:GAicon Go
   5. Mancala
   6. Template:NoGA-icon Video game
3. Gambling
4. Sport
   1. Template:FA Association football (soccer)
   2. Athletics (track and field)
5. Template:NoGA-icon Toy

Society and social sciences

1. Society
2. Template:GAicon Culture

Social issues

1. Template:GAicon Abortion
2. Euthanasia
3. Suicide
4. Discrimination
   1. Template:NoGA-icon Racism
   2. Sexism
5. Education
6. Freedom
   1. Template:NoGA-icon Slavery
7. Template:NoGA-icon Globalization
8. Template:FA Law
   1. Capital punishment
   2. Civil rights
   3. Constitution
   4. Template:NoGA-icon Crime
   5. Justice
   6. Police
9. Peace
   1. War
10. Pollution
11. Poverty
12. Social movement
    1. Environmentalism
    2. Template:NoGA-icon Feminism

Business and economics

1. Business
2. Template:NoFATemplate:A-Class-iconTemplate:NoGA-icon Economics
   1. Good
   2. Service (economics)
   3. Template:NoFA Supply and demand
3. Company
4. Corporation
5. Finance
6. Industry
   1. Template:NoGA-icon Agriculture
   2. Manufacturing
   3. Mining
7. Market
8. Marketing
9. Template:NoGA-icon Money
   1. Template:NoFATemplate:GAicon Euro
   2. Japanese yen
   3. Template:A-Class-iconTemplate:NoGA-icon Pound sterling
   4. Renminbi
   5. Rupee
   6. United States dollar
10. Template:NoGA-icon Tax
11. Template:A-Class-iconTemplate:NoGA-icon Trade

Media

1. Template:NoGA-icon Advertising
2. Broadcasting
3. Journalism
4. Magazine
5. Mass media
6. News
7. Newspaper
8. Template:NoGA-icon Publishing

Politics and government

1. Template:GAicon Politics
2. Government
3. Template:NoGA-icon Capitalism
4. Socialism
5. Civics
   1. Template:A-Class-iconTemplate:NoGA-icon Anarchism
   2. Communism
   3. Democracy
   4. Dictatorship
   5. Fascism
   6. Monarchy
   7. Theocracy
6. Conservatism
7. Template:A-Class-iconTemplate:NoGA-icon Liberalism
8. Template:NoGA-icon Diplomacy
9. Imperialism
10. Military
11. Nationalism
12. State
13. Specific political and governmental institutions
    1. Template:NoFATemplate:GAicon European Union
    2. Template:GAicon International Red Cross and Red Crescent Movement
    3. Template:GAicon NATO
    4. Template:NoGA-icon Nobel Prize
    5. Template:NoGA-icon OPEC
    6. Template:NoGA-icon United Nations
       1. World Health Organization
       2. World Trade Organization

Social sciences

1. Social sciences
2. Anthropology
3. Archaeology
4. Political science
5. Psychology
6. Template:NoGA-icon Sociology

Health and medicine

Disease

1. Disease
2. Template:GAicon Alzheimer's disease
3. Template:GAicon Cancer
4. Template:NoGA-icon Cholera
5. Template:NoGA-icon Common cold
6. Diabetes mellitus
7. Dysentery
8. Template:FA Influenza
9. Template:GAicon Malaria
10. Parkinson's disease
11. Sexually transmitted disease
    1. Template:FA AIDS
    2. Syphilis
12. Smallpox
13. Template:FA Tuberculosis

Health and fitness

1. Health
2. Physical fitness
   1. Exercise
   2. Hygiene
   3. Obesity
   4. Stress
3. Addiction
4. Drug
5. Template:GAicon Nutrition

Medicine

1. Medicine
2. Birth control
3. Coma
4. Disability
   1. Template:FA Autism
   2. Blindness
   3. Hearing impairment
   4. Mental illness
5. Physical trauma
   1. Aneurysm
   2. Bone fracture
   3. Brain damage
   4. Burn
   5. Cardiac arrest
   6. Frostbite
   7. Bleeding
   8. Inflammation
   9. Respiratory failure
   10. Shock
   11. Stroke
6. Medication
   1. Penicillin
   2. Vaccine
7. Physician

Science

1. Science
2. Template:NoGA-icon History of science
3. Template:GAicon Nature
4. Philosophy of science
5. Scientific method

Astronomy

1. Template:GAicon Astronomy
2. Template:GAicon Asteroid
3. Template:FA Asteroid belt
4. Template:FA Big Bang
5. Template:FA Comet
6. Eclipse
7. Template:FA Galaxy
   1. Template:GAicon Milky Way
8. Natural satellite
9. Orbit
10. Outer space
11. Physical cosmology
12. Template:FA Planet
13. Template:FA Solar System
    1. Template:FA Sun
    2. Template:FA Mercury
    3. Template:FA Venus
    4. Template:FA Earth
       1. Template:FA Moon
    5. Template:FA Mars
    6. Template:FA Jupiter
    7. Template:FA Saturn
    8. Template:FA Uranus
    9. Template:GAicon Neptune
    10. Template:FA Pluto
14. Template:FA Star
15. Template:FA Supernova
16. Template:NoGA-icon Universe

Biology

1. Template:NoGA-icon Biology
2. Life
3. Template:NoGA-icon Anatomy
   1. Template:GAicon Brain
   2. Gastrointestinal tract
   3. Heart
   4. Template:FA Immune system
   5. Lung
   6. Skeleton
4. Biological reproduction
   1. Pregnancy
   2. Sex
5. Botany
6. Ecology
   1. Ecosystem
7. Environment
8. Template:FA Evolution
   1. Template:GAicon Natural selection
9. Genetics
   1. Template:FA DNA
   2. Template:NoFA Gene
   3. Heredity
10. Organism
    1. Animal
       1. Amphibian
       2. Template:FA Bird
       3. Template:GAicon Fish
       4. Template:A-Class-iconTemplate:NoGA-icon Insect
       5. Mammal
          1. Cattle
          2. Template:NoFA Cat
          3. Template:NoGA-icon Dog
          4. Horse
          5. Template:NoFATemplate:NoGA-icon Human
       6. Reptile
       7. Template:FA Dinosaur
    2. Archaea
    3. Template:FA Bacteria
    4. Fungus
    5. Plant
       1. Flower
       2. Tree
    6. Protist
11. Origin of life
12. Species
13. Zoology

Chemistry

1. Chemistry
2. Biochemistry
3. Organic chemistry
4. Inorganic chemistry
5. Acid
6. Alloy
   1. Bronze
   2. Template:GAicon Steel
7. Template:GAicon Atom
8. Base
9. Catalysis
10. Chemical bond
11. Chemical compound
    1. Alcohol
    2. Template:NoGA-icon Carbon dioxide
    3. Oil
    4. Salt
    5. Template:NoGA-icon Water
12. Chemical element
    1. Template:NoGA-icon Aluminium
    2. Carbon
    3. Template:NoGA-icon Copper
    4. Gold
    5. Template:FA Helium
    6. Template:FA Hydrogen
    7. Iron
    8. Nitrogen
    9. Template:FA Oxygen
    10. Silicon
    11. Silver
    12. Sulfur
    13. Template:FA Uranium
13. Chemical reaction
14. Crystal
15. Electrolysis
16. Template:NoFA Glass
17. Ion
18. Metal
19. Mineral
20. Molecule
21. Template:NoFA Periodic table

Earth science

1. Earth science
2. Template:GAicon History of Earth
3. Geology
   1. Avalanche
   2. Crust
   3. Earthquake
   4. Erosion
   5. Geologic fault
   6. Magma
   7. Mantle
   8. Template:FA Plate tectonics
   9. Sedimentary rock
   10. Template:GAicon Volcano
4. Earth's atmosphere
   1. Climate
   2. Cloud
   3. Flood
   4. Template:FA Global warming
   5. Meteorology
   6. Rain
   7. Template:FA Tornado
   8. Template:GAicon Tropical cyclone
   9. Weather
5. Oceanography

Physics

1. Template:A-Class-iconTemplate:NoGA-icon Physics
2. Particle physics
   1. Standard Model
   2. Particle accelerator
   3. Subatomic particle
      1. Electron
      2. Neutrino
      3. Neutron
      4. Template:FA Photon
      5. Proton
3. Classical mechanics
   1. Kinematics
   2. Kinetics
4. Energy
   1. Kinetic energy
   2. Potential energy
5. Force
   1. Electromagnetism
   2. Template:A-Class-iconTemplate:NoGA-icon Gravitation
   3. Strong interaction
   4. Weak interaction
6. Heat
   1. Temperature
7. Template:NoGA-icon Light
   1. Electromagnetic radiation
   2. Template:FA Speed of light
   3. Visible spectrum
8. Mass
   1. Weight
9. Matter
10. Motion
11. Quantum mechanics
12. Template:NoGA-icon Sound
13. Space
14. Template:GAicon Thermodynamics
15. Template:A-Class-iconTemplate:NoGA-icon Theory of relativity
16. Template:NoGA-icon Time

Technology

1. Technology
2. History of technology
3. Engineering
4. Artificial intelligence
5. Biotechnology
6. Genetic engineering
7. Nuclear technology
8. Tool

Energy

1. Template:GAicon Electricity
2. Geothermal power
3. Hydropower
4. Nuclear power
5. Petroleum
6. Template:NoGA-icon Solar energy
7. Wind power

Electronics

1. Electronics
2. Template:NoGA-icon Battery
3. Capacitor
4. Diode
5. Incandescent light bulb
6. Integrated circuit
7. Semiconductor
8. Transistor

Mechanical and structural engineering

1. Mechanical engineering
2. Engine
   1. Electric motor
   2. Internal combustion engine
   3. Template:NoFATemplate:A-class-iconTemplate:NoGA-icon Jet engine
   4. Steam engine
3. Inclined plane
4. Lever
5. Pulley
6. Template:A-Class-iconTemplate:GAicon Robot
7. Wheel
8. Arch
9. Bridge
10. Canal
11. Dam
12. Dome
13. House
14. Pyramid
15. Tower

Transportation

1. Transport
2. Vehicle
3. Aircraft
4. Automobile
5. Template:NoFATemplate:GAicon Bicycle
6. Elevator
7. Helicopter
8. Fixed-wing aircraft
9. Template:NoGA-icon Motorcycle
10. Rapid transit
11. Stirrup
12. Train

Information technology

1. Information technology
2. Abacus
3. Calculator
4. Template:A-Class-iconTemplate:NoGA-icon Computer
5. Template:FA Cryptography

Optical

1. Camera
2. Template:GAicon Glasses
3. Template:A-Class-iconTemplate:NoGA-icon Laser
4. Lens
5. Microscope
6. Prism
7. Telescope

Media and communication

1. Template:GAicon Telecommunication
2. E-mail
3. Internet
4. Microphone
5. Mobile phone
6. Photography
7. Printing press
8. Printing
9. Radio
10. Telephone
11. Template:NoGA-icon Television
12. Template:NoFA Typewriter
13. Video
14. Template:NoFA World Wide Web

Navigation and timekeeping

1. Calendar
2. Clock
3. Compass
4. Global Positioning System
5. Gyroscope
6. Pendulum
7. Template:NoFA Radar
8. Sonar
9. Sundial

Weapons

1. Weapon
2. Artillery
3. Bow
4. Firearm
5. Handgun
6. Knife
7. Machine gun
8. Template:NoFATemplate:NoGA-icon Nuclear weapon
9. Rifle
10. Sword
11. Template:NoFA Submarine
12. Template:NoFA Tank

Material and chemical

1. Fire
2. Explosive material
   1. Dynamite
   2. Gasoline
   3. Gunpowder
   4. Kerosene
3. Metallurgy
4. Plastic
5. Rubber

Food and health

1. Electrocardiogram
2. Magnetic resonance imaging
3. Pasteurization
4. Refrigerator
5. Stove
6. X-ray

Space

1. Template:FA Hubble Space Telescope
2. Template:GAicon International Space Station
3. Apollo program
4. Moon landing
5. Template:NoGA-icon Rocket
6. Satellite
7. Space Shuttle
8. Space station

Mathematics

1. Template:GAicon Mathematics
   1. Constant
      1. Template:GAicon Pi
      2. Template:GAicon e
   2. Template:A-Class-iconTemplate:NoGA-icon Number
      1. Complex number
      2. Integer
      3. Natural number
      4. Rational number
      5. Real number
   3. Arithmetic
      1. Addition
      2. Subtraction
      3. Multiplication
      4. Division
      5. Fraction
      6. Percentage
      7. Template:GAicon Exponentiation
   4. Digit
   5. Equation
   6. Function
   7. Infinity
   8. Limit
   9. Logarithm
   10. Series
   11. Set
   12. Square root
   13. Variable
   14. Algebra

1. Template:NoGA-icon Analysis
   1. Template:NoGA-icon Calculus
   2. Differential equation
2. Chaos theory
   1. Template:NoFATemplate:NoGA-icon Fractal
3. Template:FA Game theory
4. Geometry
   1. Angle
   2. Area
   3. Coordinates
   4. Line
   5. Plane
   6. Shape
      1. Circle
      2. Square
      3. Template:NoFATemplate:NoGA-icon Triangle
   7. Volume
5. Template:NoGA-icon Linear algebra
   1. Matrix
6. Mathematical proof
7. Number theory
   1. Template:NoGA-icon Prime number
8. Probability
   1. Template:NoGA-icon Probability theory
   2. Template:NoGA-icon Statistics
9. Topology
10. Template:NoGA-icon Trigonometry

Measurement

1. Measurement
2. Metric system
3. International System of Units
4. Imperial unit
5. Time
   1. Second
   2. Day
   3. Week
   4. Month
   5. Year
6. Length
   1. Foot
   2. Metre
   3. Mile
   4. Light-year
7. Angle
   1. Degree
   2. Radian

1. Volume
   1. Litre
2. Mass
   1. Kilogram
   2. Pound
3. Temperature
   1. Celsius
   2. Fahrenheit
   3. Kelvin
4. Force
   1. Newton
5. Power
   1. Watt
6. Electromagnetism
   1. Ampere
   2. Volt
   3. Ohm